JPH0184554U

JPH0184554U -

Info

Publication number: JPH0184554U
Application number: JP1987181703U
Authority: JP
Priority date: 1987-11-27
Filing date: 1987-11-27
Publication date: 1989-06-05
Anticipated expiration: 2002-11-27
Also published as: JPH0529014Y2

Description

[Brief explanation of the drawing]

第１図は、本案下敷材の基本的な構造を示す模
型的な断面図、第２図は、その作用効果を説明す
る図、第３図は、本考案の一実施例の平面図、第
４図は、その正面図、第５図は、第３図、線Ａ―
Ａに沿う断面図、第６図は、その施工法を示す断
面図、第７図は、その受圧状態を示す断面図であ
る。各図中の符号の意味は下述の通り：― １：本案下敷材の全体；２：１の基板；３：２
の貫通孔、４：２の刺状体、５：２の定着用の刺
部；１′：実施例下敷材の全体；１０：１′の類
逆截頭円錐体、１１，１１′：１′の連結片、１
２：１′の連結用リング、１３：１′の連結用リ
ング；１４：１０の上半部の空隙部（切り込み）
；４′：刺状体；１５：１０の下半部の空隙部（
切り込み）。Ｅ：土壌、Ｌ：芝生地、Ｓ，Ｓ′：
，目砂。 Fig. 1 is a schematic sectional view showing the basic structure of the underlay material of the present invention, Fig. 2 is a diagram illustrating its function and effect, and Fig. 3 is a plan view of an embodiment of the present invention. Figure 4 is its front view, Figure 5 is Figure 3, line A--
A sectional view taken along line A, FIG. 6 is a sectional view showing the construction method, and FIG. 7 is a sectional view showing the pressure receiving state. The meanings of the symbols in each figure are as follows: - 1: Entire underlay material; 2:1 substrate; 3:2
through-hole, 4:2 barbs, 5:2 anchoring barbs; 1': entire example underlay material; 10:1' inverted truncated cone, 11,11':1 ’ connecting piece, 1
2:1' connecting ring, 13:1' connecting ring; 14:10 upper half gap (cut)
;4': Spine; 15: Cavity in the lower half of 10 (
notch). E: Soil, L: Lawn, S, S':
, Eye sand.

Claims

[Claims for Utility Model Registration] 1. It has a large number of barbs extending perpendicularly or almost vertically from the base, and the tips of the barbs allow penetration into the lawn, but the axis of the barbs A lawn underlayment material characterized by having flexibility to the extent that it exhibits rebound resilience against pressing force along a direction. 2. The underlay material according to claim 1 of the utility model registration claim, in which a large number of thorn-like bodies are assembled in groups and form a cylindrical body at the base of each group. 3. The lawn underlayment material according to claim 1, wherein the base body is provided with means for connecting to a similar underlayment material on its peripheral edge. 4. The underlay material according to claim 1 or 2, in which the spines are slightly curved at their tips. 5. The underlay material according to claim 1 or 4 of the utility model registration claim, in which the spines gradually decrease in thickness from the base to the tip.